removed language, deck helpers
prefs now saving deck name (not id)
no longer passing decks to PreferenceDelegate
renamed prefs generator as prefs delegate
refactored preference delegate
added new language delegate
added new preference delegate class
added new Language delegate
cleaned up new delegates
renamed delegate classes ; removed '2' suffix
added new singleton helpers to preference delegate
now using new preference code
added new DeckDelegat
completed deck delegat
moved decks initialisation into main activity
moved language code into underlying activities
Updated notes